Troy Van Leeuwen has quietly amassed a substantial discography over the past couple decades. Aside from his high profile gigs with A Perfect Circle (whose Mer de Noms is inset here) and Queens of the Stone Age, Van Leeuwen has also worked with the likes of Failure, UNKLE, and Eagles of Death Metal. This Yamaha ad was scanned from Guitar Player, April 2001.

While some guitarists seem to hop endorsements on a regular basis, Steve Vai has been with Ibanez and Carvin, as shown here, for ages. This ad for the Carvin Legacy amp ran in Guitar Player, April 2001 making it the contemporary of Vai’s collection The 7th Song, Enchanting Guitar Melodies (Archives Vol. 1), inset here.

Anthrax had their greatest commercial success between 1987 and 1993, spanning the releases Among the Living through Sound of White Noise. This ad, featuring Scott Ian, Dan Spitz and bassist Frank Bello, dates to the middle of that period, concurrent to the compilation/covers album Attack of the Killer B’s. Scanned from Guitar Player, June 1991.

Allan Holdsworth displays one of his typical arthritis enhancing chord voicings in this ad for his own Carvin Custom Shop models, the HF1 and HF2 “Fatboy.” This piece dates to 2000, making it contemporaneous with the album The Sixteen Men of Tain. Pulled from Guitar Player, September 2000.

King’s X have been active since 1980; this Yamaha ad appeared 20 years into their career, concurrent with the album Please Come Home… Mr. Bulbous, inset here. Ty Tabor is pictured with his signature model, since discontinued by Yamaha. Scanned from Guitar Player, September 2000.